Scientists have discovered one of the largest known sea creatures – a coral the size ... comprising nearly one billion ...

But what exactly is coral bleaching, and why is this so damaging? We’ll explain everything you need to know, in a nutshell… Corals are tiny animals called a ‘polyps’, that typically live in large ...

Even when we think we know everything, or that we think we have a grasp on what species occur in our environment, we don’t,” said Declan Morrissey, a zoologist at the Smithsonian.

The man-of-war comprises four separate polyps. It gets its name from the uppermost polyp, a gas-filled bladder, or pneumatophore, which sits above the water and somewhat resembles an old warship ...

These “sand-encrusted” polyps form “small groups embedded and ... Francisca’s cluster anemones were found growing over sea sponges or “directly” on rocky cliffs, researchers said.